901618720

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{44371}}^1$

素因数の和:44513

約数の個数: 48

約数和(自身を含む): 2146894848

約数和(自身を除く): 1245276128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20320, 44371, 88742, 177484, 221855, 354968, 443710, 709936, 887420, 1419872, 1774840, 3549680, 5635117, 7099360, 11270234, 22540468, 28175585, 45080936, 56351170, 90161872, 112702340, 180323744, 225404680, 450809360, 901618720]

約数ペア:

[(1, 901618720), (2, 450809360), (4, 225404680), (5, 180323744), (8, 112702340), (10, 90161872), (16, 56351170), (20, 45080936), (32, 28175585), (40, 22540468), (80, 11270234), (127, 7099360), (160, 5635117), (254, 3549680), (508, 1774840), (635, 1419872), (1016, 887420), (1270, 709936), (2032, 443710), (2540, 354968), (4064, 221855), (5080, 177484), (10160, 88742), (20320, 44371)]